body {
	display: flex;
	flex-direction: column;
}
#main{
	width: 100%;
}
.desc {
	line-height: 0.40rem;
	color: #333;
	text-align: left;
	display: block;
  	font-size: 0.20rem;
	padding: 0.2rem 0.20rem;
}

#main img{
	width: 70%; 
	display: block;
	margin: 0 auto;
}